Sanitize class names before registerService/query

Leading backslashes are removed, so a `registerService('\\OC\\Foo')`
can still be resolved with `query('OC\\Foo')`.

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/private/appframework/utility/simplecontainer.php b/lib/private/appframework/utility/simplecontainer.php
index c1fc96d1975..9458d59014a 100644
--- a/lib/private/appframework/utility/simplecontainer.php
+++ b/lib/private/appframework/utility/simplecontainer.php
@@ -99,6 +99,7 @@ class SimpleContainer extends Container implements IContainer {
 	 * @throws QueryException if the query could not be resolved
 	 */
 	public function query($name) {
+		$name = $this->sanitizeName($name);
 		if ($this->offsetExists($name)) {
 			return $this->offsetGet($name);
 		} else {
@@ -128,6 +129,7 @@ class SimpleContainer extends Container implements IContainer {
 	 * @param bool $shared
 	 */
 	public function registerService($name, Closure $closure, $shared = true) {
+		$name = $this->sanitizeName($name);
 		if (isset($this[$name]))  {
 			unset($this[$name]);
 		}
@@ -151,4 +153,12 @@ class SimpleContainer extends Container implements IContainer {
 		});
 	}
 
+	/*
+	 * @param string $name
+	 * @return string
+	 */
+	protected function sanitizeName($name) {
+		return ltrim($name, '\\');
+	}
+
 }